原文传递
Linking Tailpipe to Ambient: Phase 4, Executive Summary.
| 题名： | Linking Tailpipe to Ambient: Phase 4, Executive Summary. |
| 作者： | Robinson, A. L. |
| 关键词： | Air quality, Emission control, Aerosols, Diesel fuels, Engines, Gasoline, Mobile pollutant sources, Motor vehicles, Particulates, Transformations, Tailpipe |
| 摘要： | This summary describes results from chemical transport model simulations of air quality in California from May 4 to June 30, 2010, which coincides with the CalNex air quality campaign. The primary purpose of the simulations was to evaluate the performance of three different organic aerosol (OA) models with each incrementally extending the treatment of OA. The first model, referred to as the ‘Base’ model, is the standard OA model described in CMAQ v4.7(Carlton et al. 2010), which includes a non-volatile and non-reactive treatment of primary organic aerosol and secondary organic aerosol contributions from speciated volatile organic compounds. The second model, referred to as the ‘VBS’ model uses the volatility basis set approach to provide semi-volatile and reactive treatment of primary organic aerosol and secondary organic aerosol contributions from intermediate volatility organic compounds and volatile organic compounds and their aging products. The focus of this work is the third model, referred to as the ‘VBS-UNSP’ model; it extends the VBS model to better constrain the secondary organic aerosol contributions from on- and off-road gasoline and diesel vehicles and engines using laboratory data collected during Phases 1-3 of this project (see www.crcao.org). Predictions of each model were evaluated using both routine monitoring data and data collected during the CalNex campaign. |
| 总页数： | Robinson, A. L. |
| 报告类型： | 科技报告 |
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